Features

Research in the US has shown that using Intelligent Compaction (IC) for quality control purposes can lead to longer-lasting pavements and therefore lower whole life costs. Now the major roller manufacturers are investing heavily in developing new technologies that will meet emerging specifications in the States. “It may take five to ten years but I think that IC will be widely used for both soils, aggregate base and asphalt pavement materials in the US,” said Bob Horan, senior regional engineer at the Asph

Re-using crumb rubber in asphalt offers numerous benefits – Mike Woof In the US, the use of crumb rubber from old car and truck tyres in asphalt mixes has been tried over a number of years. The technology has improved considerably too, with this approach now offering much longer lasting performance. Georgia Department of Transportation (GDOT) is one of the latest states to adopt this approach and has amended its road construction specifications to include recycled tyre rubber as an alternative to conventi

German firm Wirtgen is retaining its lead in road recycling technologies – Mike Woof writes Tests on cold recycling with a new layer thickness using Wirtgen's sophisticated WR 4200 machine have shown impressive results according to the firm. The road construction and traffic authority Landesbetrieb Mobilität (LBM) Cochem-Koblenz commissioned a pilot project as part of its plan to optimise the cold in-place recycling process (CIR). The aim was to examine the extent to which the layer thickness can be reduced

Boppard-based BOMAG is boosting its production line in China for the second time. At the same time as the expansion of the plant, a newly built training centre has also been opened, with both moves intended to allow the firm continued growth in the region.

Asphalt compaction advances were unveiled from an array of manufacturers at the INTERMAT 2012 event - Mike Woof reports. With new emissions legislation being introduced, manufacturers are rolling out a range of new asphalt compaction models designed to meet the latest requirements. These include both large rollers for high-production highway operations and compact machines designed for the rental market and suited to urban applications, with the latter segment becoming particularly competitive at present.

Unusual staircase columns for pedestrian crossings outside Moscow required custom-made forms Every day the largest city in the largest country in the world is threatened with gridlock. The infrastructure of the present-day traffic system can no longer cope with the increased number of vehicles, and the urban administration of Moscow, Russia, resolved to upgrade the traffic arteries connecting the inner city to satellite towns. Greater Moscow (Oblast) has a population of over seven million, and to date